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isdn digital telephone
meaning in English
isdn数字电话
Related Words
isdn broadband isdn wisdn
isdn holdings
narrowband isdn
broadband isdn
idsl isdn dsl isdn
isdn窄带
pri isdn
窄带isdn
bri isdn
ics isdn control sublayer isdn
isdn digital subscriber line
isdn digital subscriber line (idsl)
isdn holdings
isdn integrate services digital network
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